const mongoose = require('mongoose');

module.exports = () => {
  mongoose
    .connect('mongodb://localhost:27017/jianshu', {useUnifiedTopology: true, useNewUrlParser: true})
    .then(() => {
      console.log('数据库连接成功！')
    })
    .catch(err => {
      console.log('数据库连接失败！', err)
    })
}
